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Overview
| Comment: | Initialize Proc.cmdPtr to NULL when creating a new procedure. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | bug-3422267ed6b79922 |
| Files: | files | file ages | folders |
| SHA3-256: |
b9d1a1ce1aef55c3fe8a68886cc85f75 |
| User & Date: | pooryorick 2020-08-12 17:33:33 |
References
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2020-08-12
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| 18:15 | • Ticket [3422267ed6] segmentation fault from deleting the the target of an imported alias during a trace on the target of the alias status still Open with 3 other changes artifact: 5726b0cac3 user: pooryorick | |
Context
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2020-08-13
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| 10:19 | Merge 8.7 check-in: 9b32b44e04 user: jan.nijtmans tags: bug-3422267ed6b79922 | |
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2020-08-12
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| 17:33 | Initialize Proc.cmdPtr to NULL when creating a new procedure. check-in: b9d1a1ce1a user: pooryorick tags: bug-3422267ed6b79922 | |
| 14:46 | Fix reference counting for command structure in TclNRApplyObjCmd check-in: de751a3490 user: pooryorick tags: bug-3422267ed6b79922 | |
Changes
Changes to generic/tclProc.c.
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467 468 469 470 471 472 473 474 475 476 477 478 479 480 |
*/
Tcl_IncrRefCount(bodyPtr);
procPtr = (Proc *)ckalloc(sizeof(Proc));
procPtr->iPtr = iPtr;
procPtr->refCount = 1;
procPtr->bodyPtr = bodyPtr;
procPtr->numArgs = 0; /* Actual argument count is set below. */
procPtr->numCompiledLocals = 0;
procPtr->firstLocalPtr = NULL;
procPtr->lastLocalPtr = NULL;
}
| > > > > > | 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 |
*/
Tcl_IncrRefCount(bodyPtr);
procPtr = (Proc *)ckalloc(sizeof(Proc));
procPtr->iPtr = iPtr;
procPtr->refCount = 1;
/* if cmdPtr isn't initialized to NULL here
* tclOOMethod.c:PushMethodCallFrame stores and attempts to use an
* invalid value in fdPtr->oldCmdPtr
*/
procPtr->cmdPtr = NULL;
procPtr->bodyPtr = bodyPtr;
procPtr->numArgs = 0; /* Actual argument count is set below. */
procPtr->numCompiledLocals = 0;
procPtr->firstLocalPtr = NULL;
procPtr->lastLocalPtr = NULL;
}
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| ︙ | ︙ |